<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>

<body>

  <div id="app"></div>
  <script src="./renderer.js"></script>
  <script>
    //1.通过h函数来创建一个vnode
    const vnode = h('div', {
      class: "pengfan",
      id: "aaa"
    }, [
      h("h2", null, "当前计数：100"),
      h('button', {
          onClick: function () {}
        },
        "+1")
    ]) // vdom


    // 2.通过mount函数，将vnode挂载到div#app上
    mount(vnode, document.querySelector("#app"))

    // 3.创建新的vnode
    setTimeout(() => {
      const vnode1 = h('div', {
        class: "pengyutong",
        id: "aaa"
      }, [
        h("h2", null, "呵呵呵"),
        h('button', {
            onClick: function () {}
          },
          "-1")
      ])

      patch(vnode, vnode1)
    }, 1000)
  </script>

</body>

</html>